Whats the exact area of a circle having a radius of 8in?

Step-by-step explanation: To find the area of a circle, start with the formula for the area of a circle.

Area =

Notice that the radius of the circle is 8 inches, so we can plug a 8 in for the radius in our formula.

Area =

Now, (8 in.)² is equal to 8 inches × 8 inches or 64 inches².

Area = 64π in.²

So, the area of the circle is 64π in.².

Now, remember that π is approximately equal to 22/7 of 3.14. This means that we can estimate the area of the circle by plugging in 3.14 for π.

Area = (64) (3.14)

Area = 200.96 in.²

Therefore, the exact area of the circle is 200.96 in.².

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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